Lanthanide perchlorate complexes of 4-chloroquinoline-1-oxide and 5-chloroisoquinoline-2-oxide

Add time:08/23/2019    Source:sciencedirect.com

New lanthanide complexes of 4-chloroquinoline-1-oxide (CQNO) and 5-chloroisoquinoline-2-oxide (CIQNO) were synthesized. CQNO gave two sets of complexes, one set soluble in acetone with the formulae [Ln(CQNO)8](ClO4)3, where LnNd to Yb, and [La(CQNO)10](ClO4)3, and the other insoluble in acetone with the formulae [Ln(CQNO)7]- (ClO4)3 where LnLa, Nd and Gd only. CIQNO gave complexes of the general composition [Ln-(CIQNO)8](ClO4)3 where Ln La and Nd and [Ln(CIQNO)7](ClO4)3 where LnGd to Yb. The isolated complexes CQNO and CIQNO were characterized by elemental analysis, electrolytic conductance, infrared, proton NMR and electronic spectral data.

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